- Lutherans1
- MacDonald, James, 1960-1
- Magic1
- Manna Christian College (Fayetteville, NC)1
- Manners and customs1
- Maranatha Chapel (Evergreen Park, Ill)1
- Mariners' Church (Irvine, Calif)1
- Marlton Assembly of God (Marlton, NJ)1
- Marriage1
- Married people1
- Marseilles Church of the Nazarene (Marseilles, Ill)1
- Marxism1
- Mather, Cotton, 1663-17281
- McGavran, Donald Anderson, 1897-19901
- Medical care1
- Medicine--Religious aspects1
- Men in church work1
- Mennonite Brethren Church of North America (1900-1963)1
- Mennonite Brethren Church--Missions1
- Mennonites--Missions1